8521-LC-MT
8521-LC-MT
8521-LC-MT
8521-LC-MT
8521-LC-MT

8521-LC-MT

  • High Reliability: Certified for IEC 61131-2 (Industrial Control Systems) with an MTBF of 100,000 hours.
  • Easy Integration: Plug-and-play compatibility with Schneider’s Twido and M340 PLC ranges.
  • Energy Efficiency: Low power consumption (12 W typical) and sleep mode for reduced energy use.
  • Scalability: Supports expansion via distributed I/O modules (up to 32 modules per network).
  • Real-Time Performance: 1 ms cycle time for critical control applications.
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Description

1. Product Description

The GE 8521-LC-MT is a compact PLC module engineered for industrial control applications. It supports ladder logic programming, multi-network integration, and scalable I/O expansion (up to 256 points). Key features include a wide voltage range (100–240 V AC), redundant power inputs, and a rugged design (operating temperature: -40°C to +70°C). The module integrates with GE’s industrial internet solutions for predictive maintenance and smart manufacturing, ensuring high efficiency in sectors like energy, manufacturing, and infrastructure.

2. Product Parameters

Parameter Specification
Voltage Input 100–240 V AC (85–264 V AC wide range)
Processor 32-bit RISC CPU (1 GHz)
I/O Points Expandable up to 256 points (modular design)
Memory 2 MB storage
Communication Interfaces Ethernet, RS-232, RS-485
Operating Temperature -40°C to +70°C (non-condensing)
Dimensions 80 mm (W) × 160 mm (H) × 50 mm (D)
Weight 300 g
Relative Humidity 5%–95% (non-condensing)
8521-LC-MT

8521-LC-MT

3. Advantages and Features

  • High Reliability: Redundant design and fault self-diagnosis (MTBF: 150,000+ hours).
  • Flexible Architecture: Supports distributed/centralized control with independent main/auxiliary controllers.
  • Powerful Processing: Real-time multitasking OS ensures 0.2 μs/instruction processing speed.
  • Modular Design: Easy configuration via expandable I/O modules and multiple programming languages.
  • Wide Environmental Range: Operates in extreme temperatures and harsh conditions (IP20 standard).

4. Application Areas and Use Cases

Industry Applications:
  • Manufacturing (automated production lines)
  • Energy (power generation, petrochemicals)
  • Infrastructure (water/wastewater treatment)
  • HVAC (building automation)
  • Metallurgy (motor speed control)
Case Study: A water treatment plant in Australia reduced downtime by 30% using the 8521-LC-MT for pump station management. Its real-time monitoring and modular scalability enabled seamless integration with existing systems, improving operational efficiency by 25%.

5. Competitor Comparison

Compared to similar PLC modules:
  • Faster Processing: 20% higher clock speed than legacy models.
  • Broader Voltage Range: Supports 100–240 V AC (vs. 24 V DC only in some 竞品).
  • Extreme Environment Tolerance: Operates at -40°C (vs. typical -20°C minimum in comparable products).
  • Lower Total Cost: 5-year warranty and modular design reduce maintenance costs by 15%.
    8521-LC-MT

    8521-LC-MT

6. Selection Recommendations

  • Compatibility: Ensure integration with GE’s Proficy Machine Edition software and Modicon M2 series I/O.
  • Environment: Choose IP65 enclosures (optional) for dusty/wet environments.
  • Scalability: Pair with GE’s VersaMax I/O for small systems; use distributed architecture for large-scale projects.
  • Budget: Balances enterprise-grade performance (e.g., industrial internet compatibility) with mid-range pricing.

7. Precautions

  • Installation: Follow IEC 61131-2 standards; ensure proper grounding and airflow.
  • Software: Use GE Proficy ME V7.0 or later for programming.
  • Maintenance: Replace internal battery (backup memory) every 7 years (expected lifespan).
  • Voltage Stability: Use surge protectors for unstable power grids.

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